Impact of Aerosols on Atmospheric Attenuation Loss in Central Receiver Systems: Preprint

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Atmospheric attenuation loss between the heliostat field and receiver has been recognized as a significant source of loss in Central Receiver Systems. In clear sky situations, extinction of Direct Normal Irradiance (DNI) is primarily by aerosols in the atmosphere. When aerosol loading is high close to the surface the attenuation loss between heliostat and receivers is significantly influenced by the amount of aerosols present on a particular day. This study relates measured DNI to aerosol optical depths close to the surface of the earth. The model developed in the paper uses only measured DNI to estimate the attenuation between heliostat ... continued below

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8 p.

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Sengupta, M. & Wagner, M. J. August 1, 2011.

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Atmospheric attenuation loss between the heliostat field and receiver has been recognized as a significant source of loss in Central Receiver Systems. In clear sky situations, extinction of Direct Normal Irradiance (DNI) is primarily by aerosols in the atmosphere. When aerosol loading is high close to the surface the attenuation loss between heliostat and receivers is significantly influenced by the amount of aerosols present on a particular day. This study relates measured DNI to aerosol optical depths close to the surface of the earth. The model developed in the paper uses only measured DNI to estimate the attenuation between heliostat and receiver in a central receiver system. The requirement that only a DNI measurement is available potentially makes the model a candidate for widespread use.

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8 p.

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  • Presented at SolarPACES 2011, 20-23 September 2011, Granada, Spain

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  • Report No.: NREL/CP-5500-52487
  • Grant Number: AC36-08GO28308
  • Office of Scientific & Technical Information Report Number: 1024062
  • Archival Resource Key: ark:/67531/metadc831532

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  • August 1, 2011

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  • May 19, 2016, 3:16 p.m.

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  • April 6, 2017, 2:04 p.m.

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Sengupta, M. & Wagner, M. J. Impact of Aerosols on Atmospheric Attenuation Loss in Central Receiver Systems: Preprint, article, August 1, 2011; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc831532/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.